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CB-WP-0035: a session that answers nothing
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Two reports, one cause: the script's fetch had no .catch. When the server
had exited the promise rejected, the chain never ran, and not even the
status line moved — so a dead server and a click that did nothing were
indistinguishable. play again read as a dead button, and the linger
timeout was invisible.

Now a rejection says the session is gone and seals the page, and a
5-second heartbeat against a new /alive notices it without needing a
click, which is what the timeout case requires. The beat carries the
token, and does not extend the linger: that deadline is absolute.

The harness had the same hole. jsrun's fetch stub had no .catch, so the
branch that notices a dead server would have been unreachable in every
test — the very defect the stub's own comment records from CB-WP-0024.
Teaching it __failing, .catch and a recorded setInterval was the fix;
writing the script defensively would have repeated the trap.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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tegwick 2026-08-07 20:31:32 +02:00
parent c2a7e40b67
commit 82aead6cea
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149
trials/2026-08-07-1829.yaml Normal file
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scenario: ground/cb-play-session
description: recorded by cb-play (CB-WP-0008 T02)
covers: []
provisional: false
provisional_owner: ''
provisional_raised: ''
ruled: ''
ruled_by: ''
ruled_note: ''
encodes_u_item: ''
seed: 1
setup:
players: 3
preset: standard-3p
patch: {}
commands:
- actor: P1
cmd: select_action
args:
action: INVESTIGATE
problem: 2
- actor: P2
cmd: select_action
args:
action: SOLVE
problem: 1
- actor: P3
cmd: select_action
args:
action: SOLVE
problem: 1
- actor: SYSTEM
cmd: reveal
args: {}
- actor: SYSTEM
cmd: resolve
args: {}
- actor: SYSTEM
cmd: end_round
args: {}
- actor: P1
cmd: select_action
args:
action: INVESTIGATE
problem: 3
- actor: P2
cmd: select_action
args:
action: INVESTIGATE
problem: 3
- actor: P3
cmd: select_action
args:
action: INVESTIGATE
problem: 3
- actor: SYSTEM
cmd: reveal
args: {}
- actor: SYSTEM
cmd: resolve
args: {}
- actor: SYSTEM
cmd: end_round
args: {}
- actor: P1
cmd: select_action
args:
action: SOLVE
problem: 2
- actor: P2
cmd: select_action
args:
action: INVESTIGATE
problem: 4
- actor: P3
cmd: select_action
args:
action: SOLVE
problem: 2
- actor: SYSTEM
cmd: reveal
args: {}
- actor: SYSTEM
cmd: resolve
args: {}
- actor: SYSTEM
cmd: end_round
args: {}
- actor: P1
cmd: select_action
args:
action: SOLVE
problem: 3
- actor: P2
cmd: select_action
args:
action: SOLVE
problem: 3
- actor: P3
cmd: select_action
args:
action: SOLVE
problem: 4
- actor: SYSTEM
cmd: reveal
args: {}
- actor: SYSTEM
cmd: resolve
args: {}
- actor: SYSTEM
cmd: end_round
args: {}
- actor: P1
cmd: select_action
args:
action: SUPPORT
target: P2
- actor: P2
cmd: select_action
args:
action: SUPPORT
target: P1
- actor: P3
cmd: select_action
args:
action: SUPPORT
target: P1
- actor: SYSTEM
cmd: reveal
args: {}
- actor: P1
cmd: respond_to_support
args:
response: accept_bond
- actor: P2
cmd: respond_to_support
args:
response: accept_bond
- actor: SYSTEM
cmd: resolve
args: {}
- actor: SYSTEM
cmd: end_round
args: {}
expect:
events: []
state: {}
rejects: []
state_hash: 15e28280a256249f4ebddbeb638053d0683d996b7ff1193128a7d788f32f63ec